Consolidated Statements of Stockholders' Equity (Parentheticals) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Pension and OPEB adjustments, taxes	$ (1.3)	$ (8.0)	$ 11.1
Change in fair value of derivatives, taxes	$ (0.3)	$ (0.3)	$ 0.4
Dividends paid, per share (in Dollars per share)	$ 0.38	$ 0.31	$ 0.27